Submission #131373

#	Time	Username	Problem	Language	Result	Execution time	Memory
131373		antimirage	Scales (IOI15_scales)	C++14	56.08 / 100	4 ms	376 KiB

scales

#include "scales.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
 
using namespace std;
 
void init(int T) {
}
 
void orderCoins() {
	srand(time(NULL));
	int ans[6], cnt = 0;
	
	int res1[3] = {1, 2, 3}, res2[3] = {4, 5, 6};
	
	res1[0] = getLightest(1, 2, 3); cnt++;
	res2[0] = getLightest(4, 5, 6); cnt++;
	
	res1[2] = getHeaviest(1, 2, 3); cnt++;
	res2[2] = getHeaviest(4, 5, 6); cnt++;
	
	for (int i = 1; i <= 3; i++) {
		if (res1[0] != i && res1[2] != i) {
			res1[1] = i;
		}
		if (res2[0] != i + 3 && res2[2] != i + 3) {
			res2[1] = i + 3;
		}
	}
	int i = 0, j = 0;
	
	for (int k = 0; k < 6; k++) {
		if (i == 3) {
			ans[k] = res2[j++];
			continue;
		}
		if (j == 3) {
			ans[k] = res1[i++];
			continue;
		}
		if (i == 2 && j == 2) {
			ans[k + 1] = getHeaviest(res1[i], res2[j], ans[0]); cnt++;
			if (ans[k + 1] == res1[i])
				ans[k] = res2[j];
			else
				ans[k] = res1[i];
			answer(ans);
	//assert(cnt <= 9);
			return;
		}
		int m;
		if (i == 2 || (j != 2 && (rand() & 1) ) ) {
			m = getMedian(res1[i], res2[j], res2[j + 1]); cnt++;
			if (res1[i] == m) {
				ans[k] = res2[j];
				k++;
				j++;
				ans[k] = res1[i];
				i++;
			} else if (res2[j] == m) {
				ans[k] = res1[i];
				i++;
			} else {
				ans[k] = res2[j];
				k++;
				j++;
				ans[k] = res2[j];
				j++;
			}
		}
		else {
			m = getMedian(res1[i], res1[i + 1], res2[j]); cnt++;
			if (res2[j] == m) {
				ans[k] = res1[i];
				k++;
				i++;
				ans[k] = res2[j];
				j++;
			} else if (res1[i] == m) {
				ans[k] = res2[j];
				j++;
			} else {
				ans[k] = res1[i];
				k++;
				i++;
				ans[k] = res1[i];
				i++;
			}
		}
	}
	answer(ans);
	//assert(cnt <= 9);
}

Compilation message (stderr)

scales.cpp: In function 'void init(int)':
scales.cpp:7:15: warning: unused parameter 'T' [-Wunused-parameter]
 void init(int T) {
               ^
scales.cpp: In function 'void orderCoins()':
scales.cpp:11:12: warning: conversion to 'unsigned int' from 'time_t {aka long int}' may alter its value [-Wconversion]
  srand(time(NULL));
        ~~~~^~~~~~

• Subtask 1: 56.076389 / 100